Das Beispiel in diesem Artikel verwendet jQuery, um die dynamische Such- und Anzeigefunktion zu implementieren. Solange Sie einen Wert eingeben, können die Daten sofort dynamisch angezeigt werden. Dies unterscheidet sich von der herkömmlichen Abfragemethode Der Inhalt ist wie folgt
Der Simulationseffekt ist wie folgt:
Fall 1:
Fall 2:
Implementierungscode:
<%@ page language="java" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>struts2</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<script type="text/javascript" src="<%=request.getContextPath() %>/js/jquery-1.4.1.js"></script>
<script type="text/javascript">
//数据源，json的格式.
var user=[{"id": 1, "name": "张三","age":"25"},
{"id": 2, "name": "李四","age":"35"},
{"id": 3, "name": "王五","age":"20"},
{"id": 4, "name": "老王","age":"20"},
{"id": 5, "name": "老张","age":"25"},
{"id": 6, "name": "李四","age":"35"},
{"id": 7, "name": "王五","age":"20"},
{"id": 8, "name": "老王","age":"20"},
{"id": 9, "name": "abc","age":"25"},
{"id": 10, "name": "李b四","age":"35"},
{"id": 11, "name": "125","age":"20"},
{"id": 12, "name": "246","age":"20"},
{"id": 13, "name": "张三","age":"25"},
{"id": 14, "name": "李四","age":"35"},
{"id": 15, "name": "王五","age":"20"},
{"id": 16, "name": "老王","age":"20"},
{"id": 17, "name": "张三","age":"25"},
{"id": 18, "name": "李四","age":"35"},
{"id": 19, "name": "王五","age":"20"},
{"id": 20, "name": "老王","age":"20"}];
$(document).ready(function(){
var seach=$("#seach");
seach.keyup(function(event){
//var keyEvent=event || window.event;
//var keyCode=keyEvent.keyCode;
// 数字键：48-57
// 字母键：65-90
// 删除键：8
// 后删除键：46
// 退格键：32
// enter键：13
//if((keyCode>=48&&keyCode<=57)||(keyCode>=65&&keyCode<=90)||keyCode==8||keyCode==13||keyCode==32||keyCode==46){
//获取当前文本框的值
var seachText=$("#seach").val();
if(seachText!=""){
//构造显示页面
var tab="<table width='300' border='1' cellpadding='0' cellspacing='0'><tr align='center'><td>编号</td><td>名称</td><td>年龄</td></tr>";
//遍历解析json
$.each(user,function(id, item){
//如果包含则为table赋值
if(item.name.indexOf(seachText)!=-1){
tab+="<tr align='center'><td>"+item.id+"</td><td>"+item.name+"</td><td>"+item.age+"</td></tr>";
}
})
tab+="</table>";
$("#div").html(tab);
//重新覆盖掉，不然会追加
tab="<table width='300' border='1' cellpadding='0' cellspacing='0'><tr align='center'><td>编号</td><td>名称</td><td>年龄</td></tr>";
}else{
$("#div").html("");
}
// }
})
});
</script>
</head>
<body>
名字：<input id="seach" />
<br/><br/>
<div id="div"></div>
</body>
</html>
